[KERNEL] Semaphore ICS 1.2.6c

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prbassplayer

Inactive Recognized Developer / Retired Forum Mod
Mar 29, 2011
10,626
14,222
Mayagüez
I don't have one BUT, doesn't phone have to be off to use it? My power button is broke but in on position....I can't turn the phone off! If I shut down it just sticks!!

Sent from my Galaxy S Captivate on Slim ICS 3.6 w/Semaphore 1.0sc Kernel 1.220Ghz@122% live OC and 387mb available RAM. BUTTER

When ever you flash with odin it can auto reboot. Have you thought of fixing it? Mobiletechvideos offer the repair for $30+ shipping
 

topiratiko

Senior Member
Dec 22, 2010
3,536
823
I've been up for an upgrade since Feb. Just waitin on s3 ;) that's y I don't wanna jack it up

Sent from my Galaxy S Captivate on Slim ICS 3.6 w/Semaphore 1.0sc Kernel 1.220Ghz@122% live OC and 387mb available RAM. BUTTER
 

prbassplayer

Inactive Recognized Developer / Retired Forum Mod
Mar 29, 2011
10,626
14,222
Mayagüez
I've been up for an upgrade since Feb. Just waitin on s3 ;) that's y I don't wanna jack it up

Sent from my Galaxy S Captivate on Slim ICS 3.6 w/Semaphore 1.0sc Kernel 1.220Ghz@122% live OC and 387mb available RAM. BUTTER

Meh US S3 won't hit US until what end of July? I'm not looking foward US variants, I want Quad core goodness not a Dual core krait. But we will see who uses what and If I should consider moving to Tmo or not xD
 

topiratiko

Senior Member
Dec 22, 2010
3,536
823
I just hope they change the look of it because if that's what it looks like when it comes out for at&t I'm just gonna get an s 2

Sent from my Galaxy S Captivate on Slim ICS 3.6 w/Semaphore 1.0sc Kernel 1.220Ghz@122% live OC and 387mb available RAM. BUTTER
 

topiratiko

Senior Member
Dec 22, 2010
3,536
823
International s 3 looks atrocious like a pear shaped fat chick

Sent from my Galaxy S Captivate on Slim ICS 3.6 w/Semaphore 1.0sc Kernel 1.220Ghz@122% live OC and 387mb available RAM. BUTTER
 
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prbassplayer

Inactive Recognized Developer / Retired Forum Mod
Mar 29, 2011
10,626
14,222
Mayagüez
You know the dual core is faster right?

Meh It "could be" due to the fact Krait is similar to cortex a15 and its a smaller die, but I don't think the difference isn't THAT much compared to a Quad core. But I'm believe samsung's HKMG might yield better battery. + My bet is on dev. IF Tmo uses Exynos then anything can be easily ported from int vs the US variants won't. This is just me guessing and thinking out loud. Nothing to do but wait until release.


Now no more this is a kernel thread not SGS III
 

baconatorXVI

Senior Member
Dec 24, 2011
736
322
almost had a heart attack when odin failed on the first try 5 minutes before leaving for work... second attempt worked. thanks so much for all your hard work.


Edit: you have no idea how happy i am to have a working odin flashable kernel!!!!! now i won't get locked out of recovery for being dumb! this is wonderful!
 

bhairya

Senior Member
Feb 8, 2008
70
0
I'm using Slim ICS and I flashed this kernel a couple of days ago. Haven't changed anything but I like it. It's done wonders for my battery, I think. With Slim's original kernel the Android OS was using more than 20% of the battery and I wasn't lasting the day. With Semaphore I see a definite improvement.

However, I'm unable to use NS Tools now. When I click on it in Settings, the settings menu closes down. I think it had BLN and silent time settings? What else is NS Tools for? How can I use it with Semaphore? Thanks!
 

askpcguy

Senior Member
Aug 8, 2010
1,952
189
Seems 1.2.1c causes a random power off with Wi-Fi enabled. I've downgraded to 1.1.1c and it seems not to happen. I read somewhere that /proc/last_kmsg is helpful to identify the cause of these random shutdowns. I can upload the file I pulled if it will help.
 

sa1yan

Senior Member
Jan 1, 2009
1,072
578
Texas
almost had a heart attack when odin failed on the first try 5 minutes before leaving for work... second attempt worked. thanks so much for all your hard work.


Edit: you have no idea how happy i am to have a working odin flashable kernel!!!!! now i won't get locked out of recovery for being dumb! this is wonderful!

fyi, you can't hard brick your phone by a failed firmware flash, only a failed bootloader flash. So you're all good as long as there's not bootloaders involved :D
 

geokilla

Senior Member
Jun 5, 2010
3,479
383
Toronto
Seems 1.2.1c causes a random power off with Wi-Fi enabled. I've downgraded to 1.1.1c and it seems not to happen. I read somewhere that /proc/last_kmsg is helpful to identify the cause of these random shutdowns. I can upload the file I pulled if it will help.

Reflash? I always have Wi-Fi on at home and no problems here. I do have a problem with Tethering though. Half the time when I turn on tethering, it errors and turns itself off. I have NetFilter enabled.
 

baconatorXVI

Senior Member
Dec 24, 2011
736
322
yeah i know, it was still a bit troubling....

I haven't noticed any issues to report...... excellent work
 

ngochuy

Senior Member
Dec 13, 2010
247
28
Melbourne
Everything works well for me on 1.2.1sc. Its very smooth and good battery life not only in use, but also in idle

Sent from my SGH-i897 using tapatalk 2
 
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mbc663

Senior Member
Feb 12, 2009
3,034
1,394
Philadelphia
After running glitch for over 3 months straight, this is kind of refreshing :) very quick, sipping battery better than glitch and totally digging the semaphore app. Nice work!

Edit: actually stratosk...this is amazing!
Edit: holy ****!!!!!!!
 
Last edited:

scotths

Member
Jan 10, 2011
46
6
Anyone have any thoughts on this? Is anyone using the kernel with slim and not having this problem? I like to use my phone to track my cycling and think that the compass error leads to oddities in the tracks (especially when I stop moving and it spontaneously shows me moving along what I think is the incorrect compass heading). Would greatly appreciate it if anyone has any ideas how to fix this!



With 1.2.1c compass doesn't work right, seems off 90 deg even after calibration. Works with other kernel.
Nice otherwise.
 

brianray14

Senior Member
Jan 29, 2011
960
179
Bradenton
Anyone else really short on available RAM? I ran the same exact amount of apps on docs v11 with previous semaphore kernel and at any given time i had around 150-180 MB free. Now I'm lucky to have 70 MB free? Any suggestions?

Sent from my SGH-I897 using xda premium
 

RootTheMachine

Senior Member
Oct 4, 2011
2,088
533
Anyone else really short on available RAM? I ran the same exact amount of apps on docs v11 with previous semaphore kernel and at any given time i had around 150-180 MB free. Now I'm lucky to have 70 MB free? Any suggestions?

Sent from my SGH-I897 using xda premium

Suggestion: don't waste time worrying about free ram.

Swyped from my ICS Samsung Captivate
 

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  • 61
    This is a kernel based on the pawitp's one and it works for Android 4.0.x ICS ROMs.


    Features

    - LiveOC
    - Custom Voltage
    - Voodoo Sound (implemented by pawitp)
    - BLN
    - 373.5MB - 398.7MB available RAM
    - Compiled with Linaro 4.7.1
    - O3 optimization
    - Semaphore Script Manager 0.75
    - Auto brightness driver
    - Touch Wake
    - Vibration intensity
    - Deep Idle
    - USB host driver
    - Governor ondemand (default)
    - ondemand: sampling_down_factor tunable by momentum, smooth_ui
    - Governor conservative (module)
    - Governor smartassV2 (module)
    - Noop I/O scheduler (default)
    - Deadline I/O Scheduler (module)
    - Simple I/O Scheduler (module)
    - Netfilter (iptables) as modules
    - CIFS as module
    - TUN as module
    - Logcat disabled (as module only)
    - Standard network packet scheduler
    - Kernel log buffer size 4KB (from 128KB)
    - Reduced debug info
    - TinyRCU
    - WiFi PM_MAX when suspend
    - /system/etc/init.d directory creation if not exist

    In order to load various modules of the kernel and enable or disable features use HM.Carbide's Semaphore Script Manager application. It automatically copies and runs the respective scripts from /res/scripts to /system/etc/init.d directory. The scripts:

    - S05enable_oc_0800 (disable overclocking - caps max freq to 800Mhz)
    - S05enable_oc_1000_default (disable overclocking)
    - S05enable_oc_1100 (enable overclocking - max freq 1100MHz)
    - S05enable_oc_1140 (enable overclocking - max freq 1140MHz)
    - S05enable_oc_1200 (enable overclocking - max freq 1200MHz)
    - S10enable_gov_conservative (load and enable conservative governor module)
    - S10enable_gov_ondemand_default (enable ondemand governor)
    - S10enable_gov_smartassV2 (load and enable conservative smartassV2 module)
    - S15enable_sched_deadline (load and enable the deadline I/O scheduler module)
    - S15enable_sched_noop_default (enable noop scheduler)
    - S15enable_sched_sio (enable and load SIO scheduler module)
    - S20enable_netfilter (load netfilter modules for firewall or WiFi, USB tethering)
    - S30enable_logger (enable logging)
    - S35enable_tun (load tun module)
    - S40enable_cifs (load cifs module)

    Custom Voltage may be configured with Voltage control or similar applications.

    For more information check the semaphore kernel website: www.semaphore.gr

    For questions or issues about Semaphore Script Manager please visit HM.Carbide thread

    Thanks to Superuser, you may download a wonderful custom bootanimation for CM9 from http://www.semaphore.gr/downloads/boot-animations


    Thanks to

    pawitp for his kernel.
    geokilla for first testing Captivate version
    zacharias.maladroit for his useful information about CM's initramfs
    HM.Carbide for his Semaphore Script Manager application.
    Ezekeel for LiveOC, Custom Voltage
    sztupy for USB host driver
    koush for CWM
    xcaliburinhand for his work about dock support
    mialwe for his vibrator intensity and other fixes
    ShadowInkDesigns for Android logo

    All people who support this kernel by testing, reporting issues, donating or simply using it.


    Change log

    1.2.6c (11/07/2012)
    - USB mass storage disable write speed cache support (thanks kasper_h, DerTeufel1980 for the hint)
    - CWM: Allow key to repeat on hold (thanks to FaultException, koush). Works for volume up, down and touch key menu (as down)
    - CWM: fix selection bar color when battery < 21%
    - CWM: upstream sync (thanks to koush) *
    - initramfs sync some changes with CM9 (adb works in root by default in recovery)
    - compiled with linaro 4.7.1 201206

    Normal versions (for CM9 or ROMs without hugemem configuration)
    1.2.6c
    - 373.5MB - 385.7MB

    For Slim ROM or patched ROMs with hugemem configuration
    1.2.6sc
    - 386.5MB - 398.7MB

    * Please note that due to changes in nandroid backup/restore, previous versions of Semaphore can't restore backups from version >= 1.2.6. To be on the safe side, please renew your backups.



    1.2.5c (20/06/2012)
    - rebased to 3.0.17 (thanks to trailblazerz11 and eugene373 for their github)
    - compiled with Linaro 4.7.1 toolchain (thanks to trailblazerz11 for his help)
    - O3 optimization flag
    - upstream sync (fixes for cdma in-call volume and mic gain included, thanks to pawitp, efpophis)
    - WiFi PM_MAX when suspended
    - fixed 800MHz underclocking
    - changed boot splash screen

    - Bootloop detection (if no normal boot is detected the phone will be forced to recovery in next boot) *
    - bugfix: enabling Wi-Fi hotspot twice (copy the new netfilter script in order this to work by disabling and then enabling again netfilter in Semaphore app)
    - creation of /system/lib/modules if does not exist

    * It doesn't mean that this will necessarily resolve the known bootloop issue, but it may help on bootloops because of bad OC/UV etc.

    Normal versions (for CM9 or ROMs without hugemem configuration)
    1.2.5c
    - 373.5MB - 385.7MB

    For Slim ROM or patched ROMs with hugemem configuration
    1.2.5sc
    - 386.5MB - 398.7MB


    1.2.1c (20/05/2012)
    - New initramfs (thanks to Mialwe for his cooperation on this)
    - Bigmem reservation optional through Semaphore app (bigmem breaks 720p video recording) *
    - Smooth UI implemented in conservative, smartassv2 (selected as separate option)
    - Semaphore Script Manager application 0.75 (thanks to HM.Carbide)
    - Fast Charge support (thanks to Chad Froebe) implemented as module **
    - L4 (100MHz) int volt 1100mV (as GB)
    - upstream updates
    - Dropped LMK scritps

    Variations:

    Normal versions (for CM9 or ROMs without hugemem configuration)
    1.2.1c
    - 374.2MB - 386.4MB

    For Slim ROM or patched ROMs with hugemem configuration
    1.2.1sc
    - 387.2MB - 399.4MB

    * Needs reboot to takes effect. If the phone shuts down needs additional reboot.
    ** Enables support for fast charge. It does not enable the feature.


    Deep Idle Guide and FAQ
    Full changelog: http://www.semaphore.gr/changelog/ics-version

    Sources

    The Linux Kernel
    Samsung Kernel sources
    Semaphore kernel sources


    Please use it at your own risk!

    The attachment zip files are for flashing from CWM recovery.
    The attachment tar files are for flashing through Heimdall/ODIN.

    Attachment files md5sum:

    a81c272685f6aecf2e8381fe040deefa Semaphore_ICS_1.2.5c.zip
    731f77a4ba6a5eea1b67acd5694a4bf7 Semaphore_ICS_1.2.5sc.zip
    75d501c3c18de633f471cde32038d220 Semaphore_ICS_1.2.5c.tar
    b40fcfae1bcbf5169189334fdafc895e Semaphore_ICS_1.2.5sc.tar
    43dd519524a436a8fb9f954a54a940cb Semaphore_ICS_1.2.6c.zip
    4d1530d361f5387eede45918283b903e Semaphore_ICS_1.2.6sc.zip
    776b7f987471c48c7edabe7e63f21c14 Semaphore_ICS_1.2.6c.tar
    79e6845051007a1d6a1afa7059106098 Semaphore_ICS_1.2.6sc.tar

    Alternative download from http://www.semaphore.gr/downloads/captivate-ics
    18
    New version 1.2.1c
    - New initramfs (thanks to Mialwe for his cooperation on this)
    - Bigmem reservation optional through Semaphore app (bigmem breaks 720p video recording) *
    - Smooth UI implemented in conservative, smartassv2 (selected as separate option)
    - Semaphore Script Manager application 0.75 (thanks to HM.Carbide)
    - Fast Charge support (thanks to Chad Froebe) implemented as module **
    - L4 (100MHz) int volt 1100mV (as GB)
    - upstream updates
    - Dropped LMK scritps

    Variations:

    Normal versions (for CM9 or ROMs without hugemem configuration)
    1.2.1c
    - 374.2MB - 386.4MB

    For Slim ROM or patched ROMs with hugemem configuration
    1.2.1sc
    - 387.2MB - 399.4MB

    * Needs reboot to takes effect. If the phone shuts down needs additional reboot.
    ** Enables support for fast charge. It does not enable the feature.
    17
    New version 1.0.0c
    - Touch Wake (thanks to Ezekeel)
    - Vibrator intensity (thanks to Mialwe)
    - Semaphore Script Manager application ICS themed (thanks to HM.Carbide)
    - upstream fixes
    - removed some stuff from kernel configuration
    - Radio FM support as module
    - remove kernel default script
    - Ondemand: slight increased down differential ondemand
    - battery polling interval to 10sec
    - Some changes to compiler flags (thanks to Mialwe)
    - fixed issue enable Wi-Fi hotspot twice after reboot (?)
    - fixed bug ondemand sampling rate return to 10000 when awake even if user changed it (from 0.9.8)
    - ondemand some optimization to sampling down momentum calculation (from 0.9.8)
    - fixed bt rfkill script (from 0.9.8)

    Variations:
    Normal versions (for CM9 or ROMs without hugemem configuration)
    1.0.0c
    - 345.2MB available RAM
    1.0.0cbm
    - 357.4MB available RAM
    - breaks 720p video recording

    For Slim ROM or patched ROMs with hugemem configuration
    1.0.0sc
    - 387.2MB available RAM
    1.0.0scbm
    - 399.4MB available RAM
    - breaks 720p video recording
    17
    New version 1.1.1
    - upstream updates
    - updated initramfs
    - Ondemand: smooth_ui tuner, CPU freq goes to max when touch the screen. Also sampling_down_momentum goes to max when touch the screen. (disabled by default, select from Semaphore app->Governors)
    - Ondemand: bug fix sampling_down_max_momentum
    - updated SIO scheduler
    - touch wake fixes (from Ezekeel)
    - touch wake fix enable again when proximity off (now should work always)
    - cpufreq upstream fix
    - cpufreq fix when max 800MHz (thanks to Mialwe, thanks to DerTeufel who pointed this out)
    - cpufreq driver max freq to 800MHz when screen off
    - ondemand sampling rate to 20000
    - ondemand io_busy back to 0

    Variations:
    Normal versions (for CM9 or ROMs without hugemem configuration)
    1.1.1
    - 374.2MB
    1.1.1bm
    - 386.4
    - breaks 720p video recording

    For Slim ROM or patched ROMs with hugemem configuration
    1.1.1s
    - 387.2
    1.1.1sbm
    - 399.4
    - breaks 720p video recording

    LMK settings seems to cause bootloops on some ROM's. Please do not use them
    16
    New version 1.2.5
    - rebased to 3.0.17 (thanks to trailblazerz11 and eugene373 for their github)
    - compiled with Linaro 4.7.1 toolchain (thanks to trailblazerz11 for his help)
    - O3 optimization flag
    - upstream sync (fixes for cdma in-call volume and mic gain included, thanks to pawitp, efpophis)
    - WiFi PM_MAX when suspended
    - fixed 800MHz underclocking
    - changed boot splash screen

    - Bootloop detection (if no normal boot is detected the phone will be forced to recovery in next boot) *
    - bugfix: enabling Wi-Fi hotspot twice (copy the new netfilter script in order this to work by disabling and then enabling again netfilter in Semaphore app)
    - creation of /system/lib/modules if does not exist

    * It doesn't mean that this will necessarily resolve the known bootloop issue, but it may help on bootloops because of bad OC/UV etc.

    Normal versions (for CM9 or ROMs without hugemem configuration)
    1.2.5c
    - 373.5MB - 385.7MB

    For Slim ROM or patched ROMs with hugemem configuration
    1.2.5sc
    - 386.5MB - 398.7MB